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cannabis seeds used for food in china

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Date and time: Thu, 24 Jun 2021 19:24:52 GMT

Primary conditions or symptoms for which hemp seeds may be prescribed by TCM doctors*: Constipation Sores

Hemp Seed Pill is safe and effective for alleviating functional constipation. 1

Key TCM concepts behind hemp seeds (Huo Ma Ren)’s properties

Main actions according to TCM*: Moistens the Intestines and unblocks Food Stagnation caused by Dryness. Nourishes the Yin and relieves constipation caused by Yin Deficiency. Cools Heat and aids healing of sores.

1. Cheng CW, Bian ZX, Zhu LX, Wu JC, Sung JJ. (2011). Efficacy of a Chinese herbal proprietary medicine (Hemp Seed Pill) for functional constipation. Am J Gastroenterol. , 106(1):120-9. doi: 10.1038/ajg.2010.305. Epub 2010 Nov 2.

Dosage: 10 to 15g.

The use of hemp for paper making in ancient China
Hemp fibers were also used long ago in ancient China to make paper. Pounded and disintegrated hemp fiber was used to make the world’s oldest piece of paper, recovered from a tomb near Xi’an in Shaanxi province dating from 140-87 BC (Temple 1986). Ba Qiao paper which was made during the Western Han dynasty (206 BC to 24 AD) was unearthed near Xi’an in Shaanxi province and analysis showed that it was made from hemp fiber (Shaanxi Museum Xi’an). Scraps of hemp paper have also been recovered from Han dynasty tombs in Shanxi province. A piece of hemp paper bearing Chinese characters from the Analects of Confucius or Lun Yu was found near Turfan in Xinjiang province in a tomb dated to 1100 AD. White hemp paper shoes sewn with white hemp thread, and a piece of hemp fabric, were also recovered (Li 1974).

This passage indicates that ancient Chinese farmers already knew the methods for distinguishing the sex and quality of hemp seeds 1,800 years ago. Although the correctness of these methods is dubious, the innovative spirit of the ancient Chinese farmers is commendable.
The sowing time stated in this book is the same as that stated in the Si Min Yue Ling. A warning about late sowing is also included. The hemp sowing time is around the spring equinox.

"Sowing seeds ten days before the summer solstice is called late seeding. Late sown hemp will not grow vigorously and its fiber will be too thin and light to spin into yarn."

These records show that some of the hemp cultivation techniques used during the Han dynasty were quite different from the techniques used today. Perhaps the ancient Chinese sowed the seeds that were destined to be the seed plants early, so that they could reach a large size, before they were pollinated by the late sown male plants. This method could increase seed yield significantly.
The sowing methods written in the Essential Arts for the People are,

"Disperse the sparrows for several days in order to protect the seeds that have just germinated from being eaten by them. When the seedlings have grown for some time, thin out weak ones so that there is some distance between two seedlings and good seedlings can grow well."

"Generally, male hemp seeds are white. There are two ways to examine the quality of the white seeds. The first is to bite a seed with the teeth, and if the inside of the seed is very dry, it should not be sown. Otherwise the seeds can be sown. The second method is to put the white seed in the mouth for some time. The seeds that do not turn black are good."

"Plow and fertilize in January. In February, sow the female hemp’s seeds, and on a rainy day in May sow the male hemp’s seeds. Then, harvest the hemp and spin it into cloth in October."